dra test config: bump wait for jobs to finish timeout

[alaypatel07]

What type of PR is this?

/kind bug

What this PR does / why we need it:

The current 5k node test is failing because the test is not waiting for all the jobs to finish. This PR is bumping the timeout for the jobs.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

1. job run: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-kops-gce-5000-node-dra-with-workload-ipalias-using-cl2/1990978381612584960
2. failure message: E1119 05:37:26.257214 21793 clusterloader.go:258] Errors: [measurement call WaitForFinishedJobs - WaitForFinishedJobs error: 1824 Jobs timed out: test-2d3ecr-2/small-1000,...
3. latency numbers are still under the SLO

    {
      "data": {
        "Perc50": 2032.288272,
        "Perc90": 2631.835891,
        "Perc99": 3056.095243
      },
      "unit": "ms",
      "labels": {
        "Metric": "pod_startup"
      }
    },

from here: https://storage.googleapis.com/kubernetes-ci-logs/logs/ci-kubernetes-e2e-kops-gce-5000-node-dra-with-workload-ipalias-using-cl2/1990978381612584960/artifacts/StatelessPodStartupLatency_ChurnPodStartupLatency_dra-steady-state_2025-11-19T05:27:25Z.json

[k8s-ci-robot]

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This pull-request has been approved by: alaypatel07
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